Date: Wed, 7 Jun 1995 23:31:45 +0200 (MET DST) From: J Wunsch <j@uriah.heep.sax.de> To: jleppek@suw2k.ess.harris.com (James Leppek) Cc: freebsd-hackers@freefall.cdrom.com Subject: Re: silo overflows Message-ID: <199506072131.XAA12270@uriah.heep.sax.de> In-Reply-To: <9506071209.AA20749@borg.ess.harris.com> from "James Leppek" at Jun 7, 95 08:09:08 am
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As James Leppek wrote: > > The only bus hogging DMA I could think of is the 1542CF but it is > at the default settings which I thought were safe. Adaptec's 154X controllers are the most `famous' bus hogs. They do also cause all sort of troubles with floppy DMA operations (even though the FDC DMA overrun conditions are hidden from the user, but you will notice a _drastical_ floppy throughput drop when doing simultaneous operations on an AHA-154X controlled SCSI bus). -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ Never trust an operating system you don't have sources for. ;-)
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